CD40257BM

Product Overview

• Category: Integrated Circuit (IC)
• Use: Multiplexer and Demultiplexer
• Characteristics: High-speed, low-power consumption
• Package: DIP-16 (Dual In-line Package with 16 pins)
• Essence: Digital logic circuit
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 3V to 18V
• Logic Family: CMOS
• Operating Temperature: -55°C to +125°C
• Propagation Delay: 50ns (typical)
• Input/Output Compatibility: TTL, CMOS

Detailed Pin Configuration

The CD40257BM IC has a total of 16 pins. The pin configuration is as follows:

1. A0: Address Input 0
2. A1: Address Input 1
3. A2: Address Input 2
4. A3: Address Input 3
5. E: Enable Input
6. B: Data Input B
7. C: Data Input C
8. D: Data Input D
9. Y: Output
10. GND: Ground
11. Y: Output
12. D: Data Input D
13. C: Data Input C
14. B: Data Input B
15. E: Enable Input
16. VCC: Supply Voltage

Functional Features

The CD40257BM is a multiplexer and demultiplexer IC that allows the selection of one out of four data inputs based on the address inputs. It operates at high speed and consumes low power, making it suitable for various digital applications. The enable input controls the operation of the IC.

Advantages and Disadvantages

Advantages: - High-speed operation - Low power consumption - Wide supply voltage range - Compatibility with TTL and CMOS logic levels

Disadvantages: - Limited number of data inputs (four) - Requires external address inputs for selection

Working Principles

The CD40257BM uses digital logic circuitry to perform the multiplexing and demultiplexing functions. The address inputs determine which data input is selected, and the enable input controls the output. When the enable input is high, the selected data input is passed to the output. When the enable input is low, the output remains in a high-impedance state.

Detailed Application Field Plans

The CD40257BM IC finds applications in various fields, including:

1. Data communication systems
2. Digital signal processing
3. Multiplexing and demultiplexing circuits
4. Industrial automation
5. Telecommunications

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the CD40257BM IC are:

1. CD4051BM: 8-channel analog multiplexer/demultiplexer
2. CD4052BM: Dual 4-channel analog multiplexer/demultiplexer
3. CD4053BM: Triple 2-channel analog multiplexer/demultiplexer
4. CD4067BM: 16-channel analog multiplexer/demultiplexer

These alternative models provide different channel configurations and may have additional features depending on the specific requirements of the application.

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